def test_children_that_stop(self):
func = TestFunc(self.clock)
time = (v for v in xrange(0, 1024, 24)).next
a = (v for v in xrange(1024)).next
b = (v for v in xrange(0, 1024, 2)).next
func2 = TestFunc(self.clock)
c = (v for v in xrange(0, 1024, 7)).next
func3 = TestFunc(self.clock)
d = (v for v in xrange(0, 1024, 3)).next
player = SchedulePlayer(schedule(time, func, a, b), clock=self.clock)
g1 = ((func2, {'z': c}) for i in cycle([1]))
player.addChild(g1)
g2 = ((func3, {'z': d}) for i in range(3))
player.addChild(g2)
self.runTicks(25)
self.assertEquals(func.calls, [])
player.resumePlaying()
self.runTicks((96 - 25) + 96)
self.assertEquals(func.calls,
[(96, {'a': 0, 'b': 0}), (120, {'a': 1, 'b': 2}),
(144, {'a':2, 'b': 4}), (168, {'a': 3, 'b': 6}),
(192, {'a': 4, 'b':8})])
self.assertEquals(func2.calls,
[(96, {'z': 0}), (120, {'z': 7}), (144, {'z': 14}),
(168, {'z': 21}), (192, {'z': 28})])
self.assertEquals(func3.calls, [(96, {'z': 0}), (120, {'z': 3}),
(144, {'z': 6})])
self.failIf(g2 in player._scheduleChildren)
self.assert_(g1 in player._scheduleChildren)
class Player(OneSchedulePlayerMixin):
onMethodName = 'noteon'
offMethodName = 'noteoff'
def __init__(self, instr, note, velocity=None, release=None,
interval=(1, 8), time=None, clock=None, cc=None):
"""
@param note: A ugen for notes
@param velocity: A ugen for the velocity
@param release: A ugen for the release (amount of time before calling
noteoff)
@param time: A ugen for relative time (values returned must be greater
than or equal to previously returned value - monotonically increasing)
@param interval: An interval division (e.g. C{(1, 4)}) that may be
specified as an alternative to time--this creates a metronome with the
given interval.
@param cc: C{dict} of control-change ugens.
@param clock: A L{BeatClock} (defaults to global default clock)
"""
self.instr = IMIDIInstrument(instr)
self.clock = getClock(clock)
if velocity is None:
velocity = cycle([127]).next
if release is None:
release = cycle([None]).next
self.note = note
self.velocity = velocity
self.release = release
self.cc = cc
self.time = timing(self.clock, time, interval)
noteMemo = CallMemo(lambda: self.note())
noteonSchedule = schedule(self.time, self.noteon,
{'note': noteMemo,
'velocity': (lambda: self.velocity())})
self.schedulePlayer = SchedulePlayer(noteonSchedule, self.clock)
releaseChild = childSchedule(self._scheduleNoteoff,
{'note': noteMemo.lastValue,
'when': (lambda: self.release())})
self.schedulePlayer.addChild(releaseChild)
if cc:
ccChild = childSchedule(self.instr.controlChange, self.cc)
self.schedulePlayer.addChild(ccChild)
def noteon(self, note, velocity):
m = getattr(self.instr, self.onMethodName)
return m(note, velocity)
def noteoff(self, note):
m = getattr(self.instr, self.offMethodName)
return m(note)
def _scheduleNoteoff(self, note, when):
if when is None:
return
self.clock.callLater(when, self.noteoff, note)
def test_children_that_stop(self):
func = TestFunc(self.clock)
time = (v for v in xrange(0, 1024, 24)).next
a = (v for v in xrange(1024)).next
b = (v for v in xrange(0, 1024, 2)).next
func2 = TestFunc(self.clock)
c = (v for v in xrange(0, 1024, 7)).next
func3 = TestFunc(self.clock)
d = (v for v in xrange(0, 1024, 3)).next
player = SchedulePlayer(schedule(time, func, a, b), clock=self.clock)
g1 = ((func2, {'z': c}) for i in cycle([1]))
player.addChild(g1)
g2 = ((func3, {'z': d}) for i in range(3))
player.addChild(g2)
self.runTicks(25)
self.assertEquals(func.calls, [])
player.resumePlaying()
self.runTicks((96 - 25) + 96)
self.assertEquals(func.calls, [(96, {
'a': 0,
'b': 0
}), (120, {
'a': 1,
'b': 2
}), (144, {
'a': 2,
'b': 4
}), (168, {
'a': 3,
'b': 6
}), (192, {
'a': 4,
'b': 8
})])
self.assertEquals(func2.calls, [(96, {
'z': 0
}), (120, {
'z': 7
}), (144, {
'z': 14
}), (168, {
'z': 21
}), (192, {
'z': 28
})])
self.assertEquals(func3.calls, [(96, {
'z': 0
}), (120, {
'z': 3
}), (144, {
'z': 6
})])
self.failIf(g2 in player._scheduleChildren)
self.assert_(g1 in player._scheduleChildren)
class Player(OneSchedulePlayerMixin):
onMethodName = 'noteon'
offMethodName = 'noteoff'
def __init__(self, instr, note, velocity=None, release=None,
interval=(1, 8), time=None, clock=None, cc=None):
self.instr = IMIDIInstrument(instr)
self.clock = getClock(clock)
if velocity is None:
velocity = cycle([127]).next
self.note = note
self.velocity = velocity
self.release = release
self.cc = cc
self.time = timing(self.clock, time, interval)
noteMemo = CallMemo(lambda: self.note())
noteonSchedule = schedule(self.time, self.noteon,
{'note': noteMemo,
'velocity': (lambda: self.velocity())})
self.schedulePlayer = SchedulePlayer(noteonSchedule, self.clock)
if self.release:
releaseChild = childSchedule(self._scheduleNoteoff,
{'note': noteMemo.lastValue,
'when': (lambda: self.release())})
self.schedulePlayer.addChild(releaseChild)
if cc:
ccChild = childSchedule(self.instr.controlChange, self.cc)
self.schedulePlayer.addChild(ccChild)
def noteon(self, note, velocity):
m = getattr(self.instr, self.onMethodName)
return m(note, velocity)
def noteoff(self, note):
m = getattr(self.instr, self.offMethodName)
return m(note)
def _scheduleNoteoff(self, note, when):
if when is None:
return
self.clock.callLater(when, self.noteoff, note)
def test_children(self):
func = TestFunc(self.clock)
time = (v for v in xrange(0, 1024, 24)).next
a = (v for v in xrange(1024)).next
b = (v for v in xrange(0, 1024, 2)).next
func2 = TestFunc(self.clock)
c = (v for v in xrange(0, 1024, 7)).next
player = SchedulePlayer(schedule(time, func, a, b), clock=self.clock)
player.addChild(((func2, {'z': c}) for i in cycle([1])))
self.runTicks(25)
self.assertEquals(func.calls, [])
player.resumePlaying()
self.runTicks((96 - 25) + 96)
self.assertEquals(func.calls,
[(96, {'a': 0, 'b': 0}), (120, {'a': 1, 'b': 2}),
(144, {'a':2, 'b': 4}), (168, {'a': 3, 'b': 6}),
(192, {'a': 4, 'b':8})])
self.assertEquals(func2.calls,
[(96, {'z': 0}), (120, {'z': 7}), (144, {'z': 14}),
(168, {'z': 21}), (192, {'z': 28})])
def test_children(self):
func = TestFunc(self.clock)
time = (v for v in xrange(0, 1024, 24)).next
a = (v for v in xrange(1024)).next
b = (v for v in xrange(0, 1024, 2)).next
func2 = TestFunc(self.clock)
c = (v for v in xrange(0, 1024, 7)).next
player = SchedulePlayer(schedule(time, func, a, b), clock=self.clock)
player.addChild(((func2, {'z': c}) for i in cycle([1])))
self.runTicks(25)
self.assertEquals(func.calls, [])
player.resumePlaying()
self.runTicks((96 - 25) + 96)
self.assertEquals(func.calls, [(96, {
'a': 0,
'b': 0
}), (120, {
'a': 1,
'b': 2
}), (144, {
'a': 2,
'b': 4
}), (168, {
'a': 3,
'b': 6
}), (192, {
'a': 4,
'b': 8
})])
self.assertEquals(func2.calls, [(96, {
'z': 0
}), (120, {
'z': 7
}), (144, {
'z': 14
}), (168, {
'z': 21
}), (192, {
'z': 28
})])
